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Can I recover a branch after its deletion in Git?
...branch? Is there a way to go back as if I didn't run the delete branch command?
20 Answers
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pip installing in global site-packages instead of virtualenv
...r instead of the one in the virtualenv folder. Here's how I set up Python3 and virtualenv on OS X Mavericks (10.9.1):
30 An...
How do you validate a URL with a regular expression in Python?
I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days.
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
Ruby has two different exceptions mechanisms: Throw/Catch and Raise/Rescue.
3 Answers
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How do I import CSV file into a MySQL table?
...ed HeidiSQL. It gives you a graphical interface to build the LOAD DATA command; you can re-use it programmatically later.
Screenshot: "Import textfile" dialog
To open the Import textfile" dialog, go to Tools > Import CSV file:
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Are 2^n and n*2^n in the same time complexity?
... answer this question.
The definition is that f(x) belongs to O(g(x)) if and only if the limit limsupx → ∞ (f(x)/g(x)) exists i.e. is not infinity. In short this means that there exists a constant M, such that value of f(x)/g(x) is never greater than M.
In the case of your question let f(n) ...
Vagrant ssh authentication failure
...lic key to ~/.ssh/authorized_keys on the Vagrant VM. You can do it by copy-and-pasting or using a tool like ssh-copy-id (user: root password: vagrant port: 2222) ssh-copy-id '-p 2222 root@127.0.0.1'
If still does not work try this:
Remove insecure_private_key file from c:\Users\USERNAME\.vagrant...
How to download HTTP directory with all files and sub-directories as they appear on the online files
...ectory that I have access to. I have tried to download all sub-directories and files via wget . But, the problem is that when wget downloads sub-directories it downloads the index.html file which contains the list of files in that directory without downloading the files themselves.
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Converting from longitude\latitude to Cartesian coordinates
I have some earth-centered coordinate points given as latitude and longitude ( WGS-84 ).
9 Answers
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How to save and load cookies using Python + Selenium WebDriver
...ogle.com")
pickle.dump( driver.get_cookies() , open("cookies.pkl","wb"))
and later to add them back:
import pickle
import selenium.webdriver
driver = selenium.webdriver.Firefox()
driver.get("http://www.google.com")
cookies = pickle.load(open("cookies.pkl", "rb"))
for cookie in cookies:
driv...